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remove unused function uart2_rx_str_P

This commit is contained in:
gudnimg 2024-11-24 09:16:45 +00:00
parent d8d058a63b
commit 8a9caf76c6
2 changed files with 0 additions and 31 deletions
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28
Firmware/uart2.c
View File

@ -45,34 +45,6 @@ void uart2_init(uint32_t baudRate)
fdev_setup_stream(uart2io, uart2_putchar, uart2_getchar, _FDEV_SETUP_WRITE | _FDEV_SETUP_READ); //setup uart2 i/o stream
}
//returns 1 if chars in input buffer match to str
//returns -1 if chars does not match and 0 for empty buffer
int8_t uart2_rx_str_P(const char* str)
{
uint8_t r = rbuf_r(uart2_ibuf); //get read index
uint8_t w = rbuf_w(uart2_ibuf); //get write index
// printf_P(PSTR("uart2_rx_str_P r=%d w=%d\n"), r, w);
uint8_t e = rbuf_l(uart2_ibuf) - 1; //get end index
uint8_t len = strlen_P(str); //get string length
str += len; //last char will be compared first
// printf_P(PSTR(" len=%d\n"), len);
while (len--) //loop over all chars
{
if (w == r) return 0; //empty buffer - return 0
if ((--w) == 255) w = e; //decrement index
char c0 = pgm_read_byte(--str); //read char from str
char c1 = uart2_ibuf[4 + w]; //read char from input buffer
// printf_P(PSTR(" uart2_rx_str_P w=%d l=%d c0=%02x c1=%02x\n"), w, len, c0, c1);
if (c0 == c1) continue; //if match, continue with next char
if ((c0 == '\r') && (c1 == '\n')) //match cr as lf
continue;
if ((c0 == '\n') && (c1 == '\r')) //match lf as cr
continue;
return -1; //no match - return -1
}
return 1; //all characters match - return 1
}
ISR(USART2_RX_vect)
{
//printf_P(PSTR("USART2_RX_vect \n") );

3
Firmware/uart2.h
View File

@ -17,9 +17,6 @@ extern FILE _uart2io;
extern void uart2_init(uint32_t baudRate);
extern int8_t uart2_rx_str_P(const char* str);
#if defined(__cplusplus)
}
#endif //defined(__cplusplus)